/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 *
 * https://www.renren.io
 *
 * 版权所有，侵权必究！
 */

package com.ta.gulimall.common.utils.system;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.lang.TypeReference;
import cn.hutool.core.util.PageUtil;
import cn.hutool.json.JSONUtil;
import org.apache.http.HttpStatus;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回数据
 *
 * @author Mark sunlightcs@gmail.com
 */
public class R extends HashMap<String, Object> {
	private static final long serialVersionUID = 1L;

	public <T> T getData(TypeReference<T> reference) {
		String json = JSONUtil.toJsonStr(get("data"));
		return JSONUtil.toBean(json, reference, false);
	}

	public Object getData(){
		return get("data");
	}

	public <T> T getData(Class<T> t) {
		return BeanUtil.toBean(get("data"), t);
	}

	public String getCode() {
		return String.valueOf(get("code"));
	}

	public String getMsg() {
		return (String) get("msg");
	}

	public R() {
		put("code", 0);
		put("msg", "success");
	}
	
	public static R error() {
		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, "未知异常");
	}
	
	public static R error(String msg) {
		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, msg);
	}
	
	public static R error(int code, String msg) {
		R r = new R();
		r.put("code", code);
		r.put("msg", msg);
		return r;
	}

	public static R ok(String msg) {
		R r = new R();
		r.put("msg", msg);
		return r;
	}

	public static <T> R ok(Object data) {
		R r = new R();
		r.put("data", data);
		return r;
	}
	
	public static R ok(Map<String, Object> map) {
		R r = new R();
		r.putAll(map);
		return r;
	}
	
	public static R ok() {
		return new R();
	}

	public R put(String key, Object value) {
		super.put(key, value);
		return this;
	}
}
